81237232

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{75781}}^1$

素因数の和:75856

約数の個数: 20

約数和(自身を含む): 159748456

約数和(自身を除く): 78511224

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 75781, 151562, 303124, 606248, 1212496, 5077327, 10154654, 20309308, 40618616, 81237232]

約数ペア:

[(1, 81237232), (2, 40618616), (4, 20309308), (8, 10154654), (16, 5077327), (67, 1212496), (134, 606248), (268, 303124), (536, 151562), (1072, 75781)]